Identify the 10 differences between the two given pictures.

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

Find the smallest sentence with all the English alphabet.

You can see it everyday, But cannot touch it at will. What is it?

Replace the question mark with the correct number.

What is the difference between a jeweller and a jailer?

There were two grandmothers and their two granddaughters.
There were two husbands and their two wives.
There were two fathers and their two daughters.
There were two mothers and their two sons.
There were two maidens and their two mothers.
There were two sisters and their two brothers.
Yet there are only six, who are buried here,
All are born legitimate and relationships clear.
How can this happen?

Today is John's birthday.
A year ago, John had five candles and he lit all the candles except the one at the last.
Now he is going to light all the candles.

How old is John Today?

(He is not five today.....)

Count the squares in the matchstick puzzle below?

I am white when I am dirty, and black when I am clean. What am I?